Wifi: Add frequency selection for new IBSS

Allow users to select a frequency for newly created Ad-Hoc (IBSS) networks, and
show the frequency for existing IBSS.

Change-Id: Icaa09c9386967fdf0a88865ff2e64cc9b219da1f

Conflicts:
	src/com/android/settings/wifi/WifiConfigController.java
DataUsageSummary: fix mobile data usage display for sim-less devices

- Don't assume the device has a sim card. Check for a phone number
  instead. Otherwise the mobile data usage screen will not show up
  on sim-less CDMA devices.

Change-Id: Ic6e35dc209ff05e0c89dc990ad82f4ab4d3f337d
Enhance Add widget button

Change-Id: I8b9a95772625f279edfa31a507a5630c39912a57
Fix Icons ordering Derp

Change-Id: Ib5581c2ec43456f84325d1f148ceeee6130088b1

Conflicts:
	res/values/arrays.xml